. the raceisrazortight, thetracking poll of this campaign before election day shows president obama leading romney among likely voters, 50-47 percent. we have karen travers live in chicago, with the latest one day before we vote. >> reporter: good evening. the candidates are wrapping up their final exhausting push to win votes. this race is tight. it is going down to the wire. both campaigns say they have the winning formula. >> are you fired up? [cheering] >> are you ready to go? >> reporter: it was a mad scramble to the financial line. for months, they have been criss-crossing the brattle ground states. tonight, president obama and rim mitt romney were just 10 miles apart in columbus, ohio. >> here's the thing, ohio. we know what change looks like. and what he's tell -- selling ain't it. >> reporter: the president has jay-z. [singing rap] >> reporter: and bruce springsteen. >> i am going to be flying with bruce springsteen on the last camday i will ever campaign. >> reporter: the race has been deadlocked for weeks, but today, the president open up a slim lead in the abc news track